Update more manifests to manifest_version 2

chrome/test/data/extensions/good/Extensions/bjafgdebaacbbbecmhlhpofkepfkgcpa/1.0/background.js

Index: chrome/test/data/extensions/good/Extensions/bjafgdebaacbbbecmhlhpofkepfkgcpa/1.0/background.js
===================================================================
--- chrome/test/data/extensions/good/Extensions/bjafgdebaacbbbecmhlhpofkepfkgcpa/1.0/background.js	(revision 0)
+++ chrome/test/data/extensions/good/Extensions/bjafgdebaacbbbecmhlhpofkepfkgcpa/1.0/background.js	(revision 0)
@@ -0,0 +1,11 @@
+// Copyright (c) 2011 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+chrome.extension.onConnectExternal.addListener(function(port) {
+  port.onMessage.addListener(function(msg) {
+    if (msg.testConnectExternal) {
+      port.postMessage({success: true, senderId: port.sender.id});
+    }
+  });
+});